Home
Gemstones


Povondraite Vs Anhydrite


Anhydrite Vs Povondraite


Astrology

Origin
-  
Mexico  

Color
Brownish, Black  
Colorless, Blue, Violet, White, Brown, rose, gray  

Streak
Brown  
White  

For which Rashi?
-  
-  

Planet
-  
-  

Element of Planets
-  
-  

Energy
-  
-  

How to Wear?
  
  

Finger
-  
-  

Ring Metal
-  
-  

Deities
-  
-  

Not to wear with
-  
-  

Powers
-  
-  

Birthstone
  
  

Planetary
-  
-  

Talisman
-  
-  

Physical Properties

Tenacity
-  
Brittle  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.26  
2.90-2.98  

Fracture
Uneven  
Conchoidal  

Cleavage
None  
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.  

Mohs Hardness
-9999  
3.5  

Chemical Composition
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)  
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references  

Optical Properties

Luster
Resinous  
Pearly, Greasy  

Pleochroism
Strong: yellow-brown  
For violet varieties  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Translucent  
Transparent  

Refractive Index
-9999  
1.570-1.614  

Optic Character
-  
-  

Crystal System
-  
Orthorhombic  

Birefringence
-9999  
0.042-0.044  

Clarity
Translucent  
Transparent  

Benefits

Physical
  
  

Neurological
-  
Enhances mental clarity and focus  

Cardiovascular
-  
Supports heart health  

Respiratory
-  
Good  

Reproductive
-  
-  

Digestive
-  
-  

Psychology
-  
Calmness  

Healing
-  
Emotional healing  

Qualities Associated
Protection  
Acceptance  

Astrology >>
<< All

Povondraite Vs Anhydrite Fracture

Fracture is an important parameter when you compare Povondraite and Anhydrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Povondraite Vs Anhydrite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Povondraite is Uneven. Anhydrite fracture is Conchoidal.

Compare Brown Gemstones

Povondraite Vs Anhydrite Luster

A primary knowledge about Povondraite vs Anhydrite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Povondraite exhibits Resinous luster. Anhydrite, on other hand, exhibits Pearly and Greasy luster.

Brown Gemstones

Brown Gemstones


Compare Brown Gemstones